3mm Invisible Plastic Blank Earrings Pin Post Small Tiny Head Stud Back Findings Pad Nickel Free Brand New Approx. size: 11 mm pin length, 1 mm pin thickness, cup wide - 3 mm in diameter Color: White Quantity: 100 Pieces (50 Pairs) come with the back lock ***BUY MORE SETS, SAVE SHIPPING FEE*** Material: Plastic Earrings Pin